A Spaceship,which Has Length 35 M and Width 16 M

question 67

Multiple Choice

A spaceship,which has length 35 m and width 16 m when at rest,is moving in a direction along its length at a speed where its length contraction results in a 28-m length measured by a stationary observer.What would the measured width be in this case?

• A)between 18 and 20 m
• B)16 m
• C)13 m
• D)less than 13 m
• E)​20 m

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Definitions:

Sample Means

The arithmetic average of a set of values or measurements taken from a sample of a larger population.

Z-test

An analytical procedure in statistics that checks for differences between the means of two groups when the variances are established and there is a considerable number of samples.

Standard Error

A measure of the dispersion or variation of the sampling distribution of a statistic.

Level of Significance

The criterion used in statistical testing to decide whether to reject the null hypothesis, represented by a probability value (e.g., 0.05 or 5%).